Sawaal

 Chemistry Questions

Popular Latest Rated
Q:

The Chemical formula of Ammonium nitrate is ___________.

A) (NH2)2NO3 B) NH4NO3
C) NH4(NO3)2 D) NH2NO3
 
Answer & Explanation Answer: B) NH4NO3

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1696
Q:

Which among the following is an example of mixture?

A) Milk B) Gasoline
C) Liquefied petroleum gas D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

1 1694
Q:

Alpha particles are ___________.

A) twice the mass of beta particles B) negatively charged
C) just like helium nuclei D) lower in ionizing power as compared to gamma rays
 
Answer & Explanation Answer: C) just like helium nuclei

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

0 1694
Q:

There are two elements-calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as

A) isotones B) isochores
C) isobars D) isotopes
 
Answer & Explanation Answer: C) isobars

Explanation:

Isotopes-These  are  atoms  of  the elements  having  the  same  atomic number but different mass number.,  Isobars-These  are atoms of same mass number but different atomic  number.,  Isotones-These are  atoms  of  different  elements having same number of neutrons.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1689
Q:

The melting point of ice is ____ K.

A) 253.16 B) 263.16
C) 273.16 D) 283.16
 
Answer & Explanation Answer: C) 273.16

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1689
Q:

Which of the following acts as best adsorbent?

A) Charcoal B) Activated Charcoal
C) Activated Coconut Charcoal D) Carbon black
 
Answer & Explanation Answer: C) Activated Coconut Charcoal

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1687
Q:

What is the number of groups and periods in the modern periodic table?

A) 18, 7 B) 18, 8
C) 16, 7 D) 16, 8
 
Answer & Explanation Answer: A) 18, 7

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

0 1682
Q:

The mass of proton and mass of ________ is same.

A) Neutron B) Electron
C) Isoprone D) Alpha particle
 
Answer & Explanation Answer: A) Neutron

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

2 1680